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Fuel Properties 1

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fuel properties viscosity
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  Fuel Properties Test-1 Prof. Dr. Kadir Aydın  Ar ş . Gör. Sinan Keiyinci  Contents I.DensityII.ViscosityIII.OctaneNumberIV.CetaneNumber V.CopperStripCorrosionTest  Density ã Density (or specific gravity) is an indication of the density or weight per unit volume of the fuel. ã Density is an essential parameter. ã  As the density increases, the energy content increasesper unit volume.  Density 1.Standard Test Method for Density  by Hydrometer Method  ã The sample is brought to the prescribed temperature and transferred to a cylinder at approximately the same temperature. ã The appropriate hydrometer is lowered into the sample and allowed to settle. After temperature equilibrium has been reached, the hydrometer scale is read, and the temperature of the sample is noted. ã If necessary, the cylinder and its contents may be placed in a constant temperature bath avoid excessive temperature variation during the test. 2.Standard Test Method for Density  by Digital Density Meter  ã  A small volume (approximately 0.7 mL) of liquid sample is introduced into an oscillating sample tube and the change in the mass of the tube is used in conjunction  with calibration data to determine the density of the sample (3).
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